Spring 2020
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Courtesy of J. Stewart, Calculus: Early transcendentals, 2nd edition
\[ \nabla \cdot \mathbf{\vec{D}} =\sigma \] divergence of electric field density = electric charge density
\[ \nabla \cdot \mathbf{\vec{B}} =0 \] divergence of magnetic field is zero
\[ \nabla \times \mathbf{\vec{E}}=-\frac{\partial \mathbf{\vec{B}} }{\partial t} \] curl of electric field = - rate of change of magnetic field
Courtesy of J. Stewart, Calculus: Early transcendentals, 2nd edition
Courtesy of J. Stewart, Calculus: Early transcendentals, 2nd edition
\[ \nabla \times \mathbf{\vec{H}} = \mathbf{\vec{J}} \] curl of magnetic field intensity = current field